Conspiracy theories you should know

Compiled by the Houston Chronicle

Sinister plots and secretive actions aren't just reserved for governments (sort of). Here are 23 of the quirkiest and most prevalent.

MGM

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"Poltergeist" curse

The movie Poltergeist, despite being PG, scared not only the audience but the crew and actors on the set as well. Actors reported several items missing or moved. The crew reported the same phenomenon. The child actresses, Heather O’Rourke died before the third film was released and 3 others died as well. Curse or coincidence?

MGM

21of27

"Poltergeist" curse

The movie Poltergeist, despite being PG, scared not only the audience but the crew and actors on the set as well. Actors reported several items missing or moved. The crew reported the same phenomenon. The child actresses, Heather O’Rourke died before the third film was released and 3 others died as well. Curse or coincidence?